#include <stdio.h>
int main(int argc, char const *argv[])
{
    char ch;
    while (1)
    {
        ch = getchar();
        if ((ch >= 'A') && (ch <= 'Z'))
        {
            ch = ch + ' ';
        }
        else if ((ch >= 'a') && (ch <= 'z'))
        {
            ch = ch - ' ';
        }
        printf("%c----->%d", ch, ch);
    }
    return 0;
}


